At opposite ends of the Heavenly River, the Northern and Southern Emperors, rulers of life and death, make a wager during a game of strategy. To test the power of love, they cast the mystical Beidou Orb into the mortal realm, where it must face three lifetimes of trials and tribulations.
Lu Xiao and Meng Yao, classmates at a university in Jiangnan, fall in love at first sight. Yang Yu, who has long pursued Meng Yao, shares a close bond with Lu Xiao over their love for basketball, while Zhu Na passionately chases after Lu Xiao. As these relationships unfold, a mysterious figure quietly intervenes, sparking a series of events that entangle them for the next twenty years.
In the tech world of 2029, rivals Ye Tian, president of Azure Group, and augmented reality expert Bai Wei find themselves unexpectedly united when Ye Tian falls into a coma after an accident. As his company releases his groundbreaking creation, the "Pangu" system, Bai Wei enters this immersive fantasy realm, only to discover Ye Tian’s consciousness trapped within. Realizing the urgency of his situation, she sets aside their rivalry to help him return to the real world. However, the task proves challenging, as they race against time to save Ye Tian before his existence is erased forever. Will their alliance be enough to rescue him from the depths of "Pangu"?